1 /*

     2  *  PowerPC emulation definitions for qemu.

     3  *

     4  *  Copyright (c) 2003-2007 Jocelyn Mayer

     5  *

     6  * This library is free software; you can redistribute it and/or

     7  * modify it under the terms of the GNU Lesser General Public

     8  * License as published by the Free Software Foundation; either

     9  * version 2 of the License, or (at your option) any later version.

    10  *

    11  * This library is distributed in the hope that it will be useful,

    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    14  * Lesser General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU Lesser General Public

    17  * License along with this library; if not, write to the Free Software

    18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    19  */

    20 #if !defined (__PPC_H__)

    21 #define __PPC_H__

    22 

    23 #include "config.h"

    24 

    25 #include "dyngen-exec.h"

    26 

    27 #include "cpu.h"

    28 #include "exec-all.h"

    29 

    30 /* Precise emulation is needed to correctly emulate exception flags */

    31 #define USE_PRECISE_EMULATION 1

    32 

    33 register struct CPUPPCState *env asm(AREG0);

    34 

    35 #if !defined(CONFIG_USER_ONLY)

    36 #include "softmmu_exec.h"

    37 #endif /* !defined(CONFIG_USER_ONLY) */

    38 

    39 static always_inline void env_to_regs (void)

    40 {

    41 }

    42 

    43 static always_inline void regs_to_env (void)

    44 {

    45 }

    46 

    47 static always_inline int cpu_halted (CPUState *env)

    48 {

    49     if (!env->halted)

    50         return 0;

    51     if (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD)) {

    52         env->halted = 0;

    53         return 0;

    54     }

    55     return EXCP_HALTED;

    56 }

    57 

    58 #endif /* !defined (__PPC_H__) */